Delete Email Individually (One at a time) from an IMAP Mailbox

Downloads email from an IMAP mailbox and deletes emails individually (one by one).

Download Chilkat Java Library

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    CkImap imap = new CkImap();

    boolean success;

    //  Anything unlocks the component and begins a fully-functional 30-day trial.
    success = imap.UnlockComponent("Anything for 30-day trial");
    if (success != true) {
        System.out.println(imap.lastErrorText());
        return;
    }

    //  Connect to an IMAP server.
    success = imap.Connect("mail.chilkatsoft.com");
    if (success != true) {
        System.out.println(imap.lastErrorText());
        return;
    }

    //  Login
    success = imap.Login("myLogin","myPassword");
    if (success != true) {
        System.out.println(imap.lastErrorText());
        return;
    }

    //  Select an IMAP mailbox
    success = imap.SelectMailbox("Inbox");
    if (success != true) {
        System.out.println(imap.lastErrorText());
        return;
    }

    CkMessageSet messageSet;
    //  We can choose to fetch UIDs or sequence numbers.
    boolean fetchUids;
    fetchUids = true;
    //  Get the message IDs of all the emails in the mailbox
    messageSet = imap.Search("ALL",fetchUids);
    if (messageSet == null ) {
        System.out.println(imap.lastErrorText());
        return;
    }

    //  Fetch the emails into a bundle object:
    CkEmailBundle bundle;
    bundle = imap.FetchBundle(messageSet);
    if (bundle == null ) {

        System.out.println(imap.lastErrorText());
        return;
    }

    //  To mark a complete set of emails for deletion, call SetFlags:
    success = imap.SetFlags(messageSet,"Deleted",1);
    if (success != true) {
        System.out.println(imap.lastErrorText());
        return;
    }

    //  Messages can also be marked for deletion individually:
    //  Loop over the bundle and mark each message for deletion.
    int i;
    for (i = 0; i <= bundle.get_MessageCount() - 1; i++) {
        CkEmail email;
        email = bundle.GetEmail(i);
        System.out.println(email.ck_from());
        System.out.println(email.subject());

        //  To delete this email, set the "Deleted" flag to 1.
        //  The email is not actually deleted until Expunge or
        //  ExpungeAndClose is called.
        success = imap.SetMailFlag(email,"Deleted",1);
        if (success != true) {
            System.out.println(imap.lastErrorText());
            return;
        }

        System.out.println("--");

    }

    success = imap.ExpungeAndClose();
    if (success != true) {
        System.out.println(imap.lastErrorText());
        return;
    }

    //  Disconnect from the IMAP server.
    imap.Disconnect();


  }
}